Lab 1: Organs, Systems, and Organization of the Body; Microscopy; Tissues Name: ___________________________________ Section: _________ Date: _____________ 1. In anatomical position, the eyes are __________ and the palms of the hand are facing _________________. 2. In anatomical terms, the pectoral region is ______________________ to the scapular region. 3. The stomach is found in what specific cavity? _______________________________ 4. Pain in the appendix would be felt in what quadrant of the abdomen? ___________________________ 5. If the ocular lens is 10x, what would be the total magnification for the following objective lenses? a. 5x: _______________ b. 10x: ________________ c. 45x: ________________ 6. When you switch from a low-power objective lens to a higher-power objective lens, what happens to the working space between the lens and the slide? ______________________________________________ 7. How should you clean the lenses of a microscope? ___________________________________________ 8. Label the microscope to the right: 9. List the four main tissue types of the body: ________________________ ________________________ ________________________ ________________________ 10. What is a basement membrane? __________________________ ____________________________ _________________________ _____________________________ 11. What functional problem could occur if the stomach and small intestine were lined with stratified squamous epithelium instead of simple columnar epithelium? __________________________________________________________________________________________________________________________________________________________________________ 12. What is the extracellular matrix in blood called? _______________________________________________ 13. How do you distinguish between epithelium and connective tissue? _______________________________ _____________________________________________________________________________________ openout10x=50x10x=100x10x=450xepithelial, connective!muscle, nervousplasmaepithelium has high cell countoccular lenseheadarmfocusbaselightstagestage clipobjective lensrevolving nose piecethin layers of a specialized extracellular matrixdistilled water and clothwork space gets smallerright lower quadrantabdominal cavityanteriorit would not absorb as much as columnar so one could die from not absorbing enough nutrientsLab 1: Organs, Systems, and Organization of the Body; Microscopy; Tissues 14-20. Complete the following table. Each tissue type (epithelial and connective) appears only once. Tissue Type Microscopic Appearance Location Function Binds bones together or muscle to bone Lungs, lining of blood vessels Reticular C.T. Large, pale, open cells with nuclei near periphery of cell Respiratory passages Provides strength and resists stress and strain against tearing Bladder, ureter, urethra Simple cuboidal epi. Scattered arrangement of collagenous fibers with elastic and reticular fibers along with many cells (immune or protective) Absorption, secretion and protection Tunica media of arteries Many layers, cells cuboidal but flatten toward surface / Squamous cells apically, but basal layers vary from cuboidal to columnar, centrally located nuclei dense reg ctsimple squamous epiadipose tissuepseudostratified !columnar epidense irreg cttransitional epiareolar!ctsimple columnar epielastic tissuestratified squamous !epitightly packed with wavy collagen fiberssingle layer of flattened cellsreticular fibers arranged around organ cellaappears stratified but all cells touch basement membranerandomly organized, densley packed collagen fibersnumerous layers that appear cubodial, flattened appearence stretchedcube or wedge shaped cells in single layercolumn like axis, nuclei positioned in basefibroblasts with collagen fibers and elastin proteinsligaments and tendonslymph nodes, spleen, thymus, kidneybreast tissue, internal organsdermis, around bone & cartilageliver and kidney tubulesinternal organs, muscle fat layersstomach intestine, uteran tubesoral cavity, epidermis, vaginasecretion of serous fluidsinternal architecture for small organsstorage of energy and protectionmucus secretionstretching of tissue (bladder)secretion and absorbtionbind tissue and insulateallows tissue to stretch & return to regular sizeabrasion resistant, prote cts against microbial